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Super Investors Foster Group, Inc.
FG

Foster Group, Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$3.68B
Positions
316
Quarter ended
September 30, 2026
Filed
October 13, 2026

Reported portfolio value by quarter (24 quarters reported)

$3.76B $541M
Q4 20 Q1 22 Q2 23 Q3 24 Q4 25 Q3 26

$541M in Q4 2020 → $3.68B now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
VI Vanguard Index Fds 14.4% Added 0.2% 1,417,471 $530M
VT Vanguard Tax-managed Fds 5.6% Added 0.9% 2,909,584 $205M
VB Vanguard Bd Index Fds 5.0% Added 3.3% 2,633,327 $185M
IT Ishares Tr 4.7% Added 1.8% 779,766 $173M
VS Vanguard Scottsdale Fds 4.5% Added 5.0% 2,945,174 $167M
DE Dimensional ETF Trust 4.4% Trimmed 1.6% 2,891,254 $162M
DE Dimensional ETF Trust 4.2% Trimmed 4.1% 3,838,030 $154M
DE Dimensional ETF Trust 3.9% Added 1.2% 3,611,298 $142M
VI Vanguard Index Fds 3.8% Added 9.2% 650,259 $141M
IT Ishares Tr 3.4% Added 0.2% 1,133,978 $125M
IT Ishares Tr 2.6% Added 2.6% 123,479 $94.6M
IT Ishares Tr 2.5% Added 0.6% 289,385 $91.8M
AC American Centy ETF Tr 2.2% Trimmed 0.6% 681,878 $80.3M
DE Dimensional ETF Trust 2.1% Trimmed 0.9% 932,666 $77.4M
IT Ishares Tr 1.9% Added 1.1% 797,757 $71.4M
DE Dimensional ETF Trust 1.9% Trimmed 0.8% 1,252,955 $68.9M
IT Ishares Tr 1.8% Added 19% 673,637 $68.1M
IT Ishares Tr 1.7% Added 4.7% 1,236,608 $62.3M
DE Dimensional ETF Trust 1.6% Trimmed 11% 1,317,383 $60.6M
DE Dimensional ETF Trust 1.6% Added 2.0% 1,785,244 $60.1M
VS Vanguard Scottsdale Fds 1.5% Added 5.2% 973,459 $56M
AC American Centy ETF Tr 1.5% Trimmed 0.1% 501,336 $54.8M
DE Dimensional ETF Trust 1.4% New 1,111,336 $51.6M
Apple Inc 1.4% Added 0.5% 152,265 $50.7M
VI Vanguard Index Fds 1.1% Trimmed 3.2% 178,865 $41.3M
VM Vanguard Mun Bd Fds 1.1% Trimmed 6.4% 817,791 $38.7M
I Ishares Inc 1.0% Added 1.7% 456,246 $37M
IT Ishares Tr 0.9% Trimmed 2.2% 1,529,712 $33.5M
IU Ishares U S ETF Tr 0.8% Added 1.7% 623,041 $30.9M
IQ Invesco Qqq Tr 0.8% Trimmed 6.2% 38,849 $28.7M
IT Ishares Tr 0.7% Added 0.9% 545,845 $27M
DE Dimensional ETF Trust 0.7% Trimmed 2.8% 374,584 $24.9M
DE Dimensional ETF Trust 0.7% Trimmed 1.1% 317,493 $24.6M
VI Vanguard Intl Equity Index F 0.6% Added 6.7% 403,075 $23.9M
SS SPDR Series Trust 0.5% Trimmed 2.7% 455,724 $19.5M
VI Vanguard Intl Equity Index F 0.4% Added 0.9% 104,933 $16.6M
IT Ishares Tr 0.4% Added 0.9% 370,192 $15.9M
BH Berkshire Hathaway Inc Del 0.4% Unchanged 18 $13.4M
BH Berkshire Hathaway Inc Del 0.3% Trimmed 2.9% 24,552 $12.2M
Nvidia Corporation 0.3% Added 6.2% 47,819 $10.9M
Alphabet Inc 0.3% Trimmed 0.3% 30,148 $10.4M
IT Ishares Tr 0.3% Trimmed 8.6% 36,797 $10.2M
SS State Str SPDR Dow Jones Ind 0.2% Trimmed 0.1% 17,566 $8.93M
IT Ishares Tr 0.2% Trimmed 63% 44,636 $8.84M
Deere & Co 0.2% Added 6.6% 12,715 $8.54M
Microsoft Corp 0.2% Added 8.0% 16,615 $8.52M
Palantir Technologies Inc 0.2% Added 0.6% 44,019 $8.23M
American Express Co 0.2% Trimmed 0.6% 26,422 $8.03M
Meta Platforms Inc 0.2% Added 4.5% 9,568 $6.94M
DE Dimensional ETF Trust 0.2% Added 1.0% 73,742 $6.07M
DE Dimensional ETF Trust 0.2% Added 7.7% 124,539 $5.87M
Amazon Com Inc 0.2% Added 1.0% 23,443 $5.84M
SS Schwab Strategic Tr 0.2% Added 4.5% 204,944 $5.63M
AC American Centy ETF Tr 0.1% Unchanged 100,870 $5.52M
SS SPDR Series Trust 0.1% Trimmed 1.2% 117,759 $5.49M
DE Dimensional ETF Trust 0.1% Added 69% 124,792 $5.01M
VS Vanguard Scottsdale Fds 0.1% Added 45% 63,705 $4.99M
Ovintiv Inc 0.1% Unchanged 85,620 $4.95M
CG Caseys Gen Stores Inc 0.1% Trimmed 1.2% 7,917 $4.82M
DE Dimensional ETF Trust 0.1% Added 93% 90,053 $4.68M

Showing top 60 of 316 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 13, 2026

Company Action Shares changed Value of change % of portfolio
DE Dimensional ETF Trust Exited −3,144,475 −$131M —
DE Dimensional ETF Trust New +1,111,336 +$51.6M 1.4%
IT Ishares Tr Trimmed −77,170 −$15.3M 0.2%
VI Vanguard Index Fds Added +54,804 +$11.8M 3.8%
IT Ishares Tr Added +107,584 +$10.9M 1.8%
VS Vanguard Scottsdale Fds Added +141,148 +$8M 4.5%
DE Dimensional ETF Trust Trimmed −166,022 −$7.64M 1.6%
DE Dimensional ETF Trust Trimmed −165,560 −$6.65M 4.2%
VB Vanguard Bd Index Fds Added +85,331 +$5.99M 5.0%
IT Ishares Tr Added +13,860 +$3.08M 4.7%

Showing the 10 largest of 315 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 07, 2026

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Trimmed −30,153 −$10.3M 2.6%
DE Dimensional ETF Trust Trimmed −225,908 −$9.08M 3.8%
VS Vanguard Scottsdale Fds Added +148,428 +$8.75M 4.4%
VB Vanguard Bd Index Fds Added +113,459 +$8.33M 5.0%
VI Vanguard Index Fds Added +18,051 +$6.68M 13.9%
AC American Centy ETF Tr New +100,870 +$5.49M 0.1%
IT Ishares Tr Added +6,279 +$4.7M 2.4%
DE Dimensional ETF Trust Added +51,936 +$4.3M 0.2%
VT Vanguard Tax-managed Fds Added +50,520 +$3.6M 5.5%
VS Vanguard Scottsdale Fds Added +60,775 +$3.54M 1.4%

Showing the 10 largest of 315 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 13, 2026

Company Action Shares changed Value of change % of portfolio
VI Vanguard Index Fds Added +52,716 +$16.9M 13.3%
IT Ishares Tr Added +21,367 +$14M 2.2%
VS Vanguard Scottsdale Fds Added +184,970 +$11M 4.7%
DE Dimensional ETF Trust Trimmed −171,334 −$9.04M 4.6%
VB Vanguard Bd Index Fds Added +121,922 +$8.98M 5.3%
IT Ishares Tr Added +30,570 +$5.86M 4.3%
IT Ishares Tr Added +51,191 +$5.43M 1.7%
AC American Centy ETF Tr Trimmed −51,313 −$5.12M 1.5%
DE Dimensional ETF Trust Trimmed −135,817 −$4.6M 3.8%
DE Dimensional ETF Trust Added +99,295 +$3.65M 3.4%

Showing the 10 largest of 306 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 12, 2026

Company Action Shares changed Value of change % of portfolio
VS Vanguard Scottsdale Fds Added +132,043 +$7.91M 4.5%
VB Vanguard Bd Index Fds Added +97,790 +$7.24M 5.2%
DE Dimensional ETF Trust Trimmed −140,989 −$7.04M 4.7%
IT Ishares Tr Added +49,650 +$5.32M 1.6%
IT Ishares Tr Added +6,623 +$4.54M 1.9%
VI Vanguard Index Fds Added +13,248 +$4.44M 13.6%
IT Ishares Tr Added +41,431 +$4.25M 3.4%
IT Ishares Tr Added +80,699 +$4.08M 1.6%
DE Dimensional ETF Trust Added +106,711 +$4.06M 3.4%
IT Ishares Tr Added +19,030 +$3.78M 4.3%

Showing the 10 largest of 299 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 14, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr New +1,039,409 +$104M 3.3%
VI Vanguard Index Fds Trimmed −545,955 −$102M 3.7%
DE Dimensional ETF Trust Added +791,821 +$29.9M 3.4%
DE Dimensional ETF Trust Added +455,065 +$15M 4.3%
DE Dimensional ETF Trust Added +455,404 +$13.8M 1.6%
DE Dimensional ETF Trust Added +406,874 +$12.8M 4.0%
VB Vanguard Bd Index Fds Added +88,108 +$6.55M 5.2%
VS Vanguard Scottsdale Fds Added +105,483 +$6.33M 4.4%
DE Dimensional ETF Trust Trimmed −102,404 −$4.72M 4.7%
IT Ishares Tr Added +42,959 +$4.57M 1.5%

Showing the 10 largest of 264 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 14, 2025

Company Action Shares changed Value of change % of portfolio
DE Dimensional ETF Trust Added +399,029 +$18.9M 2.4%
IT Ishares Tr Trimmed −174,286 −$18.2M 1.4%
VI Vanguard Index Fds Added +49,808 +$15.1M 13.8%
DE Dimensional ETF Trust Added +275,303 +$8.54M 3.9%
VM Vanguard Mun Bd Fds Added +136,473 +$6.69M 1.5%
IT Ishares Tr Added +86,930 +$4.41M 1.6%
IQ Invesco Qqq Tr Added +7,468 +$4.12M 0.8%
IT Ishares Tr New +23,714 +$3.2M 0.1%
DE Dimensional ETF Trust Trimmed −63,196 −$2.71M 4.9%
DE Dimensional ETF Trust New +47,419 +$2.58M 0.1%

Showing the 10 largest of 265 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 11, 2025

Company Action Shares changed Value of change % of portfolio
BH Berkshire Hathaway Inc Del New +17 +$13.6M 0.5%
VB Vanguard Bd Index Fds Added +89,033 +$6.54M 5.8%
VI Vanguard Index Fds Added +20,698 +$5.69M 13.1%
AC American Centy ETF Tr Added +56,726 +$4.94M 2.2%
DE Dimensional ETF Trust Trimmed −110,176 −$4.34M 5.0%
IT Ishares Tr Added +40,512 +$4.27M 2.3%
VI Vanguard Index Fds Trimmed −18,011 −$3.11M 7.6%
IT Ishares Tr Added +16,730 +$2.86M 4.3%
VS Vanguard Scottsdale Fds Added +44,450 +$2.64M 4.9%
VT Vanguard Tax-managed Fds Added +49,534 +$2.52M 5.3%

Showing the 10 largest of 219 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 23, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Trimmed −36,508 −$8.07M 0.6%
VT Vanguard Tax-managed Fds Added +162,055 +$7.75M 5.0%
VS Vanguard Scottsdale Fds Trimmed −84,008 −$7.5M 0.3%
VS Vanguard Scottsdale Fds Added +116,391 +$6.75M 4.8%
VI Vanguard Index Fds Trimmed −36,277 −$6.14M 7.7%
VI Vanguard Index Fds Trimmed −19,836 −$5.75M 13.9%
VB Vanguard Bd Index Fds Added +72,861 +$5.24M 5.5%
DE Dimensional ETF Trust Trimmed −81,955 −$5.22M 2.5%
IT Ishares Tr Added +47,988 +$5.11M 2.2%
DE Dimensional ETF Trust Trimmed −76,552 −$4.98M 1.0%

Showing the 10 largest of 203 changes.

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